ATMEGA324P-20AUR vs ATMEGA644P-20AQR 比較
詳細並排比較 ATMEGA324P-20AUR 由 Microchip Technology 與 ATMEGA644P-20AQR 由 Microchip Technology. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
Microchip Technology
ATMEGA644P-20AQR - 8-bit AVR MCU 64KB 20MHz TQFP-44 | Microchip
ATMEGA644P-20AQR ✓ 啟用中規格比較
| 參數 | ATMEGA324P-20AUR | ATMEGA644P-20AQR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 類別 | Microcontrollers | Microcontrollers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Program Memory Size | 32 KB ISP Flash (16K x 16) | 64 KB (32K x 16) Flash |
| EEPROM | 1 KB | — |
| SRAM | 2 KB | — |
| 最大時脈頻率 | 20 MHz | 20 MHz |
| Operating Voltage Range | 4.5 V to 5.5 V | — |
| General Purpose I/O Lines | 32 | — |
| General Purpose Working Registers | 32 | — |
| Instruction Set | 131 powerful instructions, most single-clock cycle | — |
| 封裝 | 44-pin TQFP (10 x 10 mm, 0.80 mm pitch) | — |
| 工作溫度範圍 | -40C to +85C (industrial) | — |
| ADC | 8-channel 10-bit successive approximation | — |
| USART Interfaces | 2 | — |
| Timer/Counters | Three flexible timer/counters with compare modes and PWM | — |
| Serial Interfaces | SPI master/slave, byte-oriented TWI (I2C) | — |
| Real Time Counter | Yes, with separate oscillator | — |
| Flash Endurance | 10,000 write/erase cycles | — |
| EEPROM Endurance | 100,000 write/erase cycles | — |
| Programming Interfaces | SPI, JTAG, bootloader (ISP) | — |
| 安裝類型 | Surface Mount | Surface Mount |
| RoHS 狀態 | Compliant | [DATA_NEEDED: RoHS compliance status] |
| Core Size | — | 8-Bit |
| Program Memory Type | — | In-System Programmable Flash |
| RAM Size | — | 4 KB (4K x 8) SRAM |
| EEPROM Size | — | 2 KB |
| Number of I/O | — | 32 |
| 封裝 / 外殼 | — | 44-TQFP (10 x 10 mm) |
| Oscillator Type | — | Internal |
| Peripherals | — | Dual USART, 10-bit ADC, JTAG, picoPower features |
| Instructions | — | 131 powerful instructions, most single-clock cycle |
| 供應電壓 | — | 5 V (industrial per Mouser listing); [DATA_NEEDED: exact VCC min/max range] |
| 工作溫度 | — | [DATA_NEEDED: temperature range - Mouser lists IND (industrial)] |
| Packaging | — | Tape & Reel (TR) |
| Programming Interface | — | ICSP (SPI) and JTAG |